8-3-3: CROSS-CONNECTIONS:
   A.   Protection Required: No water service connection to any premises shall be installed or continued in use in the City unless the water supply is protected by backflow protection devices as may be required by this Chapter and by the State Department of Health and Welfare in Idaho Regulations for Public Drinking Water Systems sections 1-8306.01 through 1-18306.08.
   B.   Endangering Water Supply Prohibited: The installation or maintenance of a cross-connection which will endanger the water quality of the potable water supply of the City shall be unlawful and is prohibited.
   C.   Nuisance Declared: Any such cross-connection now existing or hereafter installed is hereby declared to be a public nuisance and the same shall be abated.
   D.   Compliance With State And Local Regulations: The control or elimination of cross-connections shall be in accordance with this Chapter and Idaho Code provisions. The City may establish requirements for cross-connection control within the City that are more stringent than the State regulations, if they determine that conditions so dictate. (1980 Code § 8.4.3)